Developing Parameters for a Quasi-Distributed Runoff Model Using GIS

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by Thomas A. Evans,
John C. Peters,

Document Type: Proceeding Paper

Part of: North American Water and Environment Congress & Destructive Water:

Abstract: The widespread availability of radar precipitation data is driving rainfall-runoff modeling from lumped-input to distributed-input methods. As a consequence, model parameterization is becoming a very complicated process, which effectively cannot be carried out without the use of computers. The modified Clark ur hydrograph is perhaps the simplest possible distributed-input rainfall-runoff model, but even this simple model requires calculation of hundreds of parameter values to represent a medium-sized watershed.

Subject Headings: Parameters (statistics) | Hydrologic models | Data processing | Rainfall-runoff relationships | Computer models | Radar | Hydrographs |

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